
IDT709359/49L
High-Speed 8/4K x 18 Synchronous Pipelined Dual-Port Static RAM
AC Test Conditions
Industrial and Commercial Temperature Ranges
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
GND to 3.0V
2ns Max.
1.5V
1.5V
Figures 1, 2 and 3
5633 tbl 10
DATA OUT
5V
893 ?
DATA OUT
5V
893 ?
347 ?
30pF
347 ?
5pF*
Figure 1. AC Output Test load.
5633 drw 04
5633 drw 05
Figure 2. Output Test Load
(For t CKLZ , t CKHZ , t OLZ , and t OHZ ).
*Including scope and jig.
8
7
6
- 10pF is the I/O capacitance
of this device, and 30pF is the
AC Test Load Capacitance
tCD 1 ,
tCD 2
(Typical, ns)
5
4
3
2
1
0
20 40 60 80 100 120 140 160 180 200
-1
Capacitance (pF)
5633 drw 06
Figure 3. Typical Output Derating (Lumped Capacitive Load).
7
6.42